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Tension at the Bottom A ball of mass m is attached to a
Chapter 8, Problem 91GP(choose chapter or problem)
IP Tension at the Bottom A ball of mass m is attached to a string of length L and released from rest at the point A in Figure 8–29. (a) Show that the tension in the string when the ball reaches point B is 3mg, independent of the length l. (b) Give a detailed physical explanation for the fact that the tension at point B is independent of the length l.
Equation Transcription:
Text Transcription:
theta
Questions & Answers
QUESTION:
IP Tension at the Bottom A ball of mass m is attached to a string of length L and released from rest at the point A in Figure 8–29. (a) Show that the tension in the string when the ball reaches point B is 3mg, independent of the length l. (b) Give a detailed physical explanation for the fact that the tension at point B is independent of the length l.
Equation Transcription:
Text Transcription:
theta
ANSWER:Solution 91GP
a.)
Step 1 of 3
We have to show that the tension in the string when the ball reaches point is
(independent of length).
The tension in the string when the ball reaches point can be found using conservation of mechanical energy for conservative forces.
constant
Where,
mass of the ball in kg
length of the string in m
Solving for